Jack

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Information

Patent Grant
D421516

References
Source

Patent Number
D421,516
Date Filed
Tuesday, January 5, 1999
27 years ago
Date Issued
Tuesday, March 7, 2000
26 years ago

Inventors
- Michael Hung
Examiners
- Lucas; Susan J.
- Ramirez; Cynthia
Agents
- Wenderoth, Lind & Ponack, L.L.P.

US Classifications
- D34 - Material or article handling equipment
Field of Search
- US
- D34 32
- D34 28
- D34 31
- D34 33
- 254 88
- 254 84
- 254 11
- 254 93
- 254 45
International Classifications
- 1205
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a jack, as shown and described.

US Referenced Citations (16)

Number	Name	Date	Kind
D253696	Suzuki	Dec 1979
D263128	Glover, Jr. et al.	Feb 1982
D285855	Persson	Sep 1986
D345843	Collins	Apr 1994
D358923	Hawkins	May 1995
D364026	Hung	Nov 1995
D388926	Sorensen	Jan 1998
D398730	Lin	Sep 1998
3664635	Kincaid	May 1972
4277048	Okuda	Jul 1981
4473213	Decker	Sep 1984
5042777	Applebaum	Aug 1991
5201494	Lundman	Apr 1993
5221073	Shockley	Jun 1993
5618029	Chung	Apr 1997
5878996	Loan	Mar 1999